1) Asterid dicot genus 2) Genus argyroxiphium 
Argyroxiphium is a small genus of five species in the sunflower family, Asteraceae. Its members are known by the common name of silversword or greensword due to their long, narrow leaves and the silvery hairs on some species. It belongs to a larger radiation of over 50 species, including the physically different genera Dubautia and Wilkesia. This ...
[n] - small genus of Hawaiian spreading and rosette-forming shrubs
genus Argyroxiphium noun small genus of Hawaiian spreading and rosette-forming shrubs